# Week6Quiz -.docx - Question 1 0 2 pts(CO 5 A company claims...

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Question 10 / 2 pts(CO 5) A company claims that its heaters last more than 5 years. Write the null andalternative hypotheses and note which is the claim.Ho: μ = 5 (claim), Ha: μ ≥ 5Ho: μ > 5 (claim), Ha: μ ≤ 5 Question 20 / 2 pts(CO 5) An executive claims that her employees spend no less than 2.5 hours each week in meetings. Write the null and alternative hypotheses and note which is the claim. Question 3
0 / 2 pts (CO 5) In hypothesis testing, a key element in the structure of the hypotheses is that the alternative hypothesis has the ________________________. Question 42 / 2 pts(CO 5) A landscaping company claims that at most 90% of workers arrive on time. If a hypothesis test is performed that fails to reject the null hypothesis, how would this decision be interpreted?
Question 50 / 2 pts(CO 5) A textbook company claims that their book is so engaging that less than 55% of students read it. If a hypothesis test is performed that fails to reject the null hypothesis, how would this decision be interpreted? There is not sufficient evidence to support the claim that no more than 55% of students read this textYou AnsweredThere is sufficient evidence to support the claim that no more than 55% of studentsread this textThere is sufficient evidence to support the claim that less than 55% of students readthis textCorrect AnswerThere is not sufficient evidence to support the claim that less than 55% of students read this text Question 6 2 / 2 pts(CO 5) An advocacy group claims that the mean braking distance of a certain type of tire is 75 feet when the car is going 40 miles per hour. In a test of 45 of these tires, the braking distance has a mean of 77 and a standard deviation of 5.9 feet. Find the standardized test statistic and the corresponding p-value.
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